CN107807290A - Direct-current charging post detecting system and detection method - Google Patents

Direct-current charging post detecting system and detection method Download PDF

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Publication number
CN107807290A
CN107807290A CN201711035902.9A CN201711035902A CN107807290A CN 107807290 A CN107807290 A CN 107807290A CN 201711035902 A CN201711035902 A CN 201711035902A CN 107807290 A CN107807290 A CN 107807290A
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China
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direct
interface
charging post
current
detecting system
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CN201711035902.9A
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CN107807290B (en
Inventor
陈枫
俞哲人
李梁
刘志凯
吴芳芳
王蔚
宋天斌
周际
梁轶峰
闫培渊
汤国龙
戴迎宏
陈威
胡华峰
徐驰
彭鸣
彭一鸣
何应齐
董旺
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Zhejiang Huadian Equipment Inspection Institute
Wuhan NARI Ltd
State Grid Zhejiang Electric Vehicle Service Co Ltd
Nanjing NARI Group Corp
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Zhejiang Huadian Equipment Inspection Institute
Wuhan NARI Ltd
State Grid Zhejiang Electric Vehicle Service Co Ltd
Nanjing NARI Group Corp
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Priority to CN201711035902.9A priority Critical patent/CN107807290B/en
Publication of CN107807290A publication Critical patent/CN107807290A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/003Environmental or reliability tests

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention relates to a kind of direct-current charging post detecting system, it includes DC simulation device, analog charge procedural test load, charging pile load capacity test load, analog power, oscillograph, signal gating device, and the DC simulation device includes analog-digital converter, digital circuit processing module and the detecting system interface with tested direct-current charging post Interface Matching.The present invention can test and analyze to input and output current and voltage signals, can also be to the detection of charging pile the machine charge control compatibility and charging communication compatibility detection.Wherein controlling compatibility test to include pile body control guiding parameter testing, normal charging process test and imitated storage battery fault test, communication compatibility test includes direct-current charging post handshake phase, configuration phase, charging stage, the communication test of ending phase this four-stage.The present invention can complete detection direct-current charging post performance indications, ensure direct-current charging post reliability service.

Description

Direct-current charging post detecting system and detection method
Technical field
The present invention relates to electric detection technique field, and in particular to a kind of direct-current charging post detecting system and detection method.
Background technology
Charging infrastructure construction is to influence one of key factor that China's new-energy automobile is promoted, and country takes stake station The leading construction strategy of appropriateness.National Development and Reform Committee《Charging electric vehicle infrastructure development guide (2015~the year two thousand twenty)》It is aobvious Show, the target of China's charging infrastructure development is " to arrive the year two thousand twenty, build up and concentrate electric charging station 1.2 ten thousand, disperse charging pile 4800000 ".To ensure direct-current charging post reliability service, detected before and after need to being put into operation to filling direct current stake.Existing detection system System or device can only detect to direct-current charging post partial electric performance or compatibility, lack simulated failure detection.For to charging pile Comprehensive test of performance, ensure charging pile safe operation, it would be highly desirable to research and develop a kind of direct-current charging post detecting system and meet this demand.
The content of the invention
It is an object of the invention to for problems of the prior art, propose a kind of direct-current charging post detecting system and Detection method, the present invention are used for put into operation to direct-current charging post front and rear output electric property and compatibility test, solved existing Detecting system or device Testing index are less, it is impossible to comprehensively reflect charging pile charging performance, it is impossible to ensure that charging pile is transported safely The problems such as row, effectively raise the reliability of charging pile.
A kind of in order to solve the above technical problems, direct-current charging post detecting system disclosed by the invention, it is characterised in that:It is wrapped DC simulation device, analog charge procedural test load, charging pile load capacity test load, analog power, oscillograph are included, it is described DC simulation device includes analog-digital converter, digital circuit processing module and the detecting system with tested direct-current charging post Interface Matching Interface, the direct current output positive terminal DC+ and direct current output negative pole end DC- of the detecting system interface respectively by switch Gk1 and Gk2 connections analog power positive pole feeder ear and negative pole feeder ear are switched, the earth terminal E-GND connections modulus of detecting system interface turns The earth terminal of parallel operation, the accessory power supply positive terminal A+ and accessory power supply negative pole end A- of detecting system interface connect charging pile band respectively The anode interface and negative pole interface of loading capability test load, detecting system interface first connection confirmation signal communication ends CC1 and The first connection that second connection confirmation signal communication ends CC2 connects analog-digital converter respectively confirms detection analog signal interface and the Two connections confirm detection analog signal interface, and the CAN positive pole COM1 S+ and CAN negative pole of detecting system interface lead to Letter port S- connects the CAN positive poles communication ends and CAN negative pole communication ends of digital circuit processing module respectively;
Two first voltage sample connections of analog-digital converter are respectively connected to the direct current output positive terminal of detecting system interface DC+ and direct current output negative pole end DC-, two second voltage sample connections of analog-digital converter are respectively connected to detecting system interface Accessory power supply positive terminal A+ and accessory power supply negative pole end A-, the current sampling interface access testing system interface of analog-digital converter Direct current output positive terminal DC+, the data signal of the digital signal output end connection digital circuit processing module of analog-digital converter are defeated Enter end;
The positive terminal of analog charge procedural test load connects inspection with k6 by switching k5 respectively with negative terminals The direct current output positive terminal DC+ and direct current output negative pole end DC- of examining system interface;
The oscillograph is used for positive terminal and negative terminals and detection system to intending charging process test load Each interface of system interface carries out recorded broadcast;
A kind of charging pile detection method using above-mentioned direct-current charging post detecting system, it is characterised in that it includes as follows Step:
Step 1:Exact p-value is connected, connection exact p-value checks whether direct-current charging post can be true by the connection of measurement first The magnitude of voltage for recognizing signal communication end CC1 judges the connection status of vehicle plug and vehicle socket, and charged state corresponding to entrance;
If the voltage for detecting the first connection confirmation signal communication ends CC1 is the first predeterminated voltage, detecting system is judged It is fully connected with charging pile interface, the accessory power supply of direct-current charging post interface is to detecting system interface output voltage, DC simulation Device is started working, then this time test result is normal;
Step 2:Autonomous test is tested, and direct-current charging post checks that A+A- has voltage output, by CAN to DC simulation device Digital signal processing module sends handshake message, and the handshake message that host computer is sent to charging pile is monitored parsing, is simultaneously emitted by holding Hand message, simulation electric automobile BMS set charging ceiling voltage, and then direct-current charging post carries out Insulation monitoring and insulation is released;
Step 3:Charge the preparatory stage, host computer controls analog power by the digital circuit processing module of DC simulation device Simulation electric automobile charges normal the output of battery both end voltage, is closed at switching GK1 and GK2, the numeral of DC simulation device Processing of circuit module sends BRO=0xAA messages to direct-current charging post by CAN and reports and submits battery to be ready to, host computer prison Measuring direct-current charging post transmission message reports and submits direct-current charging post to get out information, and this time test result is normal;
Step 4:Charging stage is tested, and host computer is sent out by the CAN of digital circuit processing module to direct-current charging post Text of delivering newspaper reports and submits battery tension demand, current needs, host computer by controlling DC simulation device to measure output voltage, And send message to direct-current charging post and report and submit battery charging voltage value information and current measurement value information;If host computer monitors Direct-current charging post sends message to DC simulation device and reports and submits voltage output value, current output value, accumulative charging interval, and charging allows State, then this time test result is normal;
Step 5:The ending phase that charges test, host computer set simulation by the digital circuit processing module of DC simulation device The magnitude of voltage of power supply, charging electric vehicle completion status is simulated, and send message to direct-current charging post and report and submit termination to charge, direct current Charging pile stops charging and sending termination charging message, then this time test result is normal.
Beneficial effects of the present invention are:
The present invention can test and analyze to input and output current and voltage signals, charging pile the machine can also be charged and controlled The detection of system compatibility and charging communication compatibility detection.Wherein control compatibility test include pile body control guiding parameter testing, Normal charging process is tested and imitated storage battery fault test, and communication compatibility test includes direct-current charging post handshake phase, matched somebody with somebody Put stage, charging stage, the communication test of ending phase this four-stage.The present invention can complete detection direct-current charging post performance refer to Mark, ensure direct-current charging post reliability service.The present invention also has simple in construction in addition, easy and safe to operate, operating efficiency it is high and The advantages that good reliability.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention.
Wherein, 1-DC simulation device, 1.1-detecting system interface, 1.2-analog-digital converter, at 1.3-digital circuit Manage module, 2-host computer, 3-analog charge procedural test load, 4-charging pile load capacity test load, 5-simulation electricity Source, 6-oscillograph, 7-signal gating device, 8-tested direct-current charging post interface, 9-oscillograph, 10-CAN turn USB module, 11-power analyzer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
A kind of direct-current charging post detecting system of the present invention, as shown in figure 1, it includes DC simulation device 1, analog charge mistake Journey test load 3 (high-power resistance loads, simulation charging electric vehicle process), (12V of charging pile load capacity test load 4 Electronic load), analog power 5 (BMS analog powers), oscillograph 6, the DC simulation device 1 include analog-digital converter 1.2, number Word processing of circuit module 1.3 and the detecting system interface 1.1 matched with tested direct-current charging post interface 8, the detecting system connect The direct current output positive terminal DC+ and direct current output negative pole end DC- of mouth 1.1 connect simulation electricity by switching Gk1 with switch Gk2 respectively The positive pole feeder ear of source 5 and negative pole feeder ear, the ground connection of the earth terminal E-GND connections analog-digital converter 1.2 of detecting system interface 1.1 End, the accessory power supply positive terminal A+ and accessory power supply negative pole end A- of detecting system interface 1.1 connect charging pile load capacity respectively The anode interface and negative pole interface of test load 4, the first connection confirmation signal communication ends CC1 of detecting system interface 1.1 and the Two connection confirmation signal communication ends CC2 connect respectively analog-digital converter 1.2 first connection confirm detection analog signal interface and Second connection confirms detection analog signal interface, the CAN positive pole COM1 S+ and CAN of detecting system interface 1.1 Negative pole COM1 S- connects the CAN positive poles communication ends and CAN negative pole communication ends of digital circuit processing module 1.3 respectively;
Two first voltage sample connections of analog-digital converter 1.2 are respectively connected to the direct current output of detecting system interface 1.1 Positive terminal DC+ and direct current output negative pole end DC-, two second voltage sample connections of analog-digital converter 1.2 are respectively connected to detect The accessory power supply positive terminal A+ and accessory power supply negative pole end A- of system interface 1.1, the current sampling interface of analog-digital converter 1.2 connect Enter the direct current output positive terminal DC+ of detecting system interface 1.1, the digital signal output end connection numeral electricity of analog-digital converter 1.2 The digital signal input end of road processing module 1.3;
The positive terminal of analog charge procedural test load 3 connects inspection with k6 by switching k5 respectively with negative terminals The direct current output positive terminal DC+ and direct current output negative pole end DC- of examining system interface 1.1;
The oscillograph 6 is used for positive terminal and negative terminals and detection to intending charging process test load 3 Each interface of system interface 1.1 carries out recorded broadcast;
Detecting system interface 1.1 and tested direct-current charging post interface 8 include direct current output positive terminal DC+, direct current output Negative pole end DC-, earth terminal E-GND, accessory power supply positive terminal A+, accessory power supply negative pole end A-, the first connection confirmation signal communication Hold CC1, the second connection confirmation signal communication ends CC2, CAN positive pole COM1 S+, CAN negative pole COM1 S-.
In above-mentioned technical proposal, the direct current output of the current signal interface access testing system interface 1.1 of the oscillograph 6 Positive terminal DC+, the direct current output positive terminal DC+ of the first voltage signaling interface access testing system interface 1.1 of oscillograph 6 with it is straight Flow output negative pole end DC-, the CAN positive pole communication of the CAN communication interface access testing system interface 1.1 of oscillograph 6 Port S+ and CAN negative pole COM1 S-, the auxiliary of the auxiliary power interface access testing system interface 1.1 of oscillograph 6 Power positive end A+ and accessory power supply negative pole end A-, the connection of oscillograph 6 confirm the first of interface access testing system interface 1.1 The connection confirmation signal communication ends CC2 of confirmation signal communication ends CC1 and second are connected, the second voltage signaling interface of oscillograph 6 connects Enter the positive terminal and negative terminals of analog charge procedural test load 3.
In above-mentioned technical proposal, it is connected with out between the direct current output positive terminal DC+ and switch k5 of detecting system interface 1.1 K7 one end is closed, the another of switch K7 is connected between the direct current output negative pole end DC- and switch k6 of detecting system interface 1.1 End.
In above-mentioned technical proposal, the control signal output of digital circuit processing module 1.3 is connected by 485 buses respectively The control signal input of analog charge procedural test load 3, charging pile load capacity test load 4 and analog power 5.
In above-mentioned technical proposal, it also includes signal gating device 7 and oscillograph 9, is controlled in the gating of signal gating device 7 Under, the recording interface that oscillograph 9 is chosen to oscillograph 6 carries out ripple analysis.
In above-mentioned technical proposal, it also includes host computer 2, and the USB communication interface of the host computer 2 turns USB moulds by CAN The CAN positive pole COM1 S+ and CAN negative pole COM1 S- of the access testing system interface 1.1 of block 10, host computer 2 Ethernet interface access digital circuit processing module 1.3 host computer communication interface.
In above-mentioned technical proposal, it also includes switch K1, switch K1 ', switch G1~switch G4, resistance R1~resistance R7, Wherein, the first connection confirmation signal communication ends CC1 of K1 one end connecting detection system interface 1.1 is switched, switchs the another of K1 End passes through the earth terminal E-GND of resistance R1 (1k Ω) connecting detection system interface 1.1, switch K1 ' one end connecting detection system First connection confirmation signal communication ends CC1 of interface 1.1, by resistance R2, (resistance R2 is swept resistance to the switch K1 ' other end Standard resistance range is 0.57~2K Ω) the earth terminal E-GND of connecting detection system interface 1.1, switch G1 one end connecting detection system The earth terminal E-GND of system interface 1.1, the other end for switching G1 pass through the straight of resistance R3 (20k Ω) connecting detection system interface 1.1 Output cathode end DC+ is flowed, switchs the earth terminal E-GND of G2 one end connecting detection system interface 1.1, the other end for switching G2 leads to The direct current output positive terminal DC+ of resistance R4 (100k Ω) connecting detection system interface 1.1 is crossed, switchs G3 one end connecting detection system The earth terminal E-GND of system interface 1.1, the other end for switching G3 pass through the straight of resistance R5 (20k Ω) connecting detection system interface 1.1 Output negative pole end DC- is flowed, switchs the earth terminal E-GND of G4 one end connecting detection system interface 1.1, the other end for switching G4 leads to The direct current output negative pole end DC- of resistance R6 (100k Ω) connecting detection system interface 1.1 is crossed, the second of analog-digital converter 1.2 connects Connect confirmation detection analog signal interface and pass through resistance R7 (1K Ω) connection 12V voltage sources.
In above-mentioned technical proposal, it also includes power analyzer 11, the direct current output positive terminal DC of detecting system interface 1.1 + and direct current output negative pole end DC- be connected with power analyzer 11, power analyzer 11 passes through to tested direct-current charging post interface 8 The output current voltage characteristic of detecting system interface 1.1 carries out sampling analysis, before tested direct-current charging post interface 8 puts into operation, inspection Examining system interface 1.1 is used to be connected with inlet wire A, B, C, N of tested direct-current charging post interface 8, and input current voltage is adopted Sample is analyzed.Power analyzer 11 carries out sampling analysis to direct-current charging post output current voltage characteristic, is put into operation in direct-current charging post It is preceding that (the A phases in three-phase current, B phases, C phases, N are center line) can be also connected with direct-current charging post inlet wire A, B, C, N, to input current Voltage carries out sampling analysis.
Above-mentioned all switches carry out switch control by host computer 2, and K7 is IGBT types switch in above-mentioned switch, and rest switch is equal Switched for relay-type, host computer 2 controls DC simulation device on-off circuit, 485 communication bus, CAN communication, mould by Ethernet Intend the various charging processes of electric automobile, analog circuitry processes part carries out sampling analysis to line signal in simulation process, then By AD conversion, result is uploaded to host computer by digital circuit processing module.This direct-current charging post detecting system can be simulated electronic Automobile charging process, realize to this machine testing of charging pile.
A kind of charging pile detection method using above-mentioned direct-current charging post detecting system, it comprises the following steps:
Step 1:Exact p-value is connected, connection exact p-value checks whether direct-current charging post can be true by the connection of measurement first The magnitude of voltage for recognizing signal communication end CC1 judges the connection status of vehicle plug and vehicle socket, and charged state corresponding to entrance;
If the voltage for detecting the first connection confirmation signal communication ends CC1 is 4V, detecting system and charging staking are judged Mouth is fully connected, and the accessory power supply of direct-current charging post interface exports 12V voltages to detecting system interface 1.1, and DC simulation device 1 is opened Beginning work, then this time test result is normal;
Step 2:Autonomous test is tested, digital circuit processing module of the direct-current charging post by CAN to DC simulation device 1 1.3 send handshake message, and the handshake message that host computer 2 is sent to direct-current charging post is monitored parsing, is simultaneously emitted by report of shaking hands Text, simulation electric automobile BMS set charging ceiling voltage, and then direct-current charging post carries out Insulation monitoring and insulation is released.
Step 3:Charge the preparatory stage, host computer 2 controls mould by the digital circuit processing module 1.3 of DC simulation device 1 Intend the simulation electric automobile of power supply 5 and charge normal the output of battery both end voltage, be closed at switching GK1 and GK2, DC simulation device 1 digital circuit processing module 1.3 sends message to direct-current charging post by CAN and reports and submits battery to be ready to, host computer 2 Monitor that direct-current charging post sends message and reports and submits direct-current charging post to get out information, this time test result is normal;
Step 4:Charging stage tests, and host computer 2 is by the CAN of digital circuit processing module 1.3 to DC charging Stake sends message and reports and submits battery tension demand, current needs, and host computer is by controlling DC simulation device 1 to carry out output voltage Measurement, and send message to direct-current charging post and report and submit battery charging voltage value information and current measurement value information;If host computer 2 Monitor that direct-current charging post sends message to DC simulation device 1 and reports and submits voltage output value, current output value, accumulative charging interval, Charge permission state, then this time test result is normal;
Step 5:The ending phase that charges test, host computer 2 are set by the digital circuit processing module 1.3 of DC simulation device 1 The magnitude of voltage of analog power 5 is put, simulates charging electric vehicle completion status, and send message to direct-current charging post and report and submit in BMS Only charge, direct-current charging post stopping, which is charged and sends message, reports and submits direct-current charging post to stop charging, then this time test result is normal.
The present invention can also carry out direct-current charging post control guide wire parameter testing, and test process is, detecting system interface with Direct-current charging post interface connects, and DC charging detecting system starts to detect to direct-current charging post, starts direct-current charging post, and direct current fills Electric stake starts detection connection and confirms CC1 point voltages, and host computer passes through controlling switch K1, K1 of DC simulation device 1 ', set connection true Recognize end CC1 and ground connection E-GND resistance, when switching K1 closures, R1=1k Ω, detect that connection confirms that end CC1 voltages are 4V, then Judge that detecting system is fully connected with charging pile interface, charging pile accessory power supply exports accessory power supply voltage to detecting system, together When to the detecting system cycle send handshake message;When switch K1 is disconnected, and switch K1 ' is closed, R2=0.57k Ω are controlled, then are connected Connect and confirm that end CC1 voltages are 3.2V, or control R2=4.8k Ω, then connection confirm that end CC1 voltages are 4.8V, then judge detection System is not fully connected with charging system, and host computer display connection is unreliable.
The present invention can also carry out the test of direct-current charging post exception charging process, and process is that host computer 2 controls DC simulation device 1 Stopping 10s, cycle transmission BMV, BMT, BSP message, imitated storage battery communication failure, if direct-current charging post stops charging this time Test result is normal.
The present invention can also carry out communication compatibility test of charging, and in charging process, communication compatibility test includes shaking hands Stage, configuration phase, charging stage, ending phase.
1st, handshake phase test cases
After the completion of direct-current charging post and DC simulation device physical connection, DC simulation device test system starts, DC charging The stake cycle sends handshake message, then direct-current charging post communication meets result requirement;Upper computer detection is sent to direct-current charging post After handshake message, the DC simulation device 250ms cycles send handshake message, and direct-current charging post completes Insulation monitoring, and cycle transmission is distinguished Know message, SPN2560=0x00, then direct-current charging post communication meets result requirement;Into cognitive phase of shaking hands, DC simulation device Identification message, SPN2560=0x00 are received, DC simulation device stops sending message, and direct-current charging post sends identification report from first SPN2560=0x00 is sent in text 5s, SPN3921=0x01 is sent more than 5s, then direct-current charging post communication meets result and wanted Ask.
2nd, configuration phase test cases
DC simulation device receives identification message, and after SPN2560=0xAA, the DC simulation device 500ms cycles send battery Parameter message, DC charging motor stop sending identification message, SPN2560=0xAA, and the cycle sends CML messages, then DC charging Stake communication meets result requirement;DC simulation device receives direct-current charging post maximum output ability message, time synchronization information message, But it is not ready to ready, the simulator 250ms cycles send SPN2829=0x00BRO messages, and direct-current charging post motor continues cycle hair Maximum output ability message is sent, then direct-current charging post communication meets result requirement.
3rd, charging stage test cases
DC simulation device receives SPN2830=0xAA CRO messages, and the DC simulation device 250ms cycles send battery and filled The total state message of electricity, 50ms cycles send battery charge requirement message, and direct-current charging post stops sending direct-current charging post output Ready state, SPN2830=0xAA, 50ms cycles send direct-current charging post charged state message, then current charge stake communication meets As a result require;DC simulation device receives direct-current charging post charged state message, and the simulator 10s cycles send battery tension, stored Battery temperature, battery reserve message, and the direct-current charging post 50ms cycles send direct-current charging post charged state message, then direct current fills Electric stake communication meets result requirement.
4th, ending phase test cases
DC simulation device receives direct-current charging post and stops message or send BMS to stop charging message, into ending phase, If now the DC simulation device 250ms cycles send BMS statistics messages, the charger 250ms cycles send direct-current charging post system Message is counted, then direct-current charging post communication meets result requirement;If DC simulation device does not send message, charger is sent out from first Direct-current charging post is sent to stop charge and send out direct-current charging post termination by the 10ms cycles in 5s and charge, more than 5s transmissions SPN3927= 0x01, then direct-current charging post communication meet result requirement.
The present invention can also carry out low pressure accessory power supply test, and host computer is set by the bus communication of DC simulation device 485 to be filled Electric stake load capacity test load 4, accessory power supply A+ and A- voltage signal is extracted by signal gating device and oscillograph, analysis is auxiliary Help electric power output voltage ripple factor.
The present invention can also carry out charging output test
(1) output voltage error is tested:The work of direct-current charging post constant pressure is set, and band carries 50%In, it is desirable to which output voltage misses Difference is not more than ± 0.5%
Test method:Load sets constant current mode, power analyzer measurement direct-current charging post output voltage electric current.
(2) output current error is tested:Direct-current charging post constant current operation is set, it is desirable to output voltage setting Umen, output It is not more than ± 0.3A during current error < 30A, is not more than ± 1% during >=30A.
Test method:Load sets constant pressure mode of operation, power analyzer measurement direct-current charging post output voltage electric current.
(3) efficiency and power factor test:Under direct-current charging post constant pressure and flow mode of operation, power analyzer measurement is filled directly Current charge stake input side power factor and active power, outlet side dc power.
The present invention can also carry out dielectric test, and experimentation is:After present invention access charging pile, host computer passes through straight Flow field simulation device controlling switch circuit, closure switch G1 and switch G3, if charging pile stops charging, insulating properties test result is just Often;Closure switch G2 and switch G4, if direct-current charging post does not stop charging, but has alarm, then insulating properties test result is being just Often.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.

Claims (9)

  1. A kind of 1. direct-current charging post detecting system, it is characterised in that:It includes DC simulation device (1), analog charge procedural test (3), charging pile load capacity test load (4), analog power (5), oscillograph (6) are loaded, the DC simulation device (1) includes Analog-digital converter (1.2), digital circuit processing module (1.3) and the detecting system matched with tested direct-current charging post interface (8) Interface (1.1), the direct current output positive terminal DC+ and direct current output negative pole end DC- of the detecting system interface (1.1) pass through respectively Switch Gk1 connects analog power (5) positive pole feeder ear and negative pole feeder ear, the ground connection of detecting system interface (1.1) with switch Gk2 Hold the earth terminal of E-GND connection analog-digital converters (1.2), the accessory power supply positive terminal A+ and auxiliary of detecting system interface (1.1) Power cathode end A- connects the anode interface of charging pile load capacity test load (4) respectively and negative pole interface, detecting system connect First connection confirmation signal communication ends CC1 of mouth (1.1) and the second connection confirmation signal communication ends CC2 connect analog-to-digital conversion respectively First connection of device (1.2) confirms that detection analog signal interface and the second connection confirm detection analog signal interface, detecting system The CAN positive pole COM1 S+ and CAN negative pole COM1 S- of interface (1.1) connect digital circuit processing mould respectively The CAN positive poles communication ends and CAN negative pole communication ends of block (1.3);
    Two first voltage sample connections of analog-digital converter (1.2) are respectively connected to the direct current output of detecting system interface (1.1) Positive terminal DC+ and direct current output negative pole end DC-, two second voltage sample connections of analog-digital converter (1.2) are respectively connected to examine The accessory power supply positive terminal A+ and accessory power supply negative pole end A- of examining system interface (1.1), the current sampling of analog-digital converter (1.2) The direct current output positive terminal DC+ of interface access testing system interface (1.1), the digital signal output end of analog-digital converter (1.2) Connect the digital signal input end of digital circuit processing module (1.3);
    The positive terminal and negative terminals of analog charge procedural test load (3) are respectively by switching k5 and k6 connecting detections The direct current output positive terminal DC+ and direct current output negative pole end DC- of system interface (1.1);
    The oscillograph (6) is used for positive terminal and negative terminals and detection to intending charging process test load (3) Each interface of system interface (1.1) carries out recorded broadcast.
  2. 2. direct-current charging post detecting system according to claim 1, it is characterised in that:The electric current letter of the oscillograph (6) The direct current output positive terminal DC+ of number interface access testing system interface (1.1), the first voltage signaling interface of oscillograph (6) connect Enter the direct current output positive terminal DC+ and direct current output negative pole end DC- of detecting system interface (1.1), the CAN of oscillograph (6) The CAN positive pole COM1 S+ and CAN negative pole COM1 S- of communication interface access testing system interface (1.1), The accessory power supply positive terminal A+ and accessory power supply negative pole of the auxiliary power interface access testing system interface (1.1) of oscillograph (6) A- is held, the connection of oscillograph (6) confirms the first connection confirmation signal communication ends CC1 of interface access testing system interface (1.1) With the second connection confirmation signal communication ends CC2, the second voltage signaling interface access analog charge procedural test of oscillograph (6) is born Carry the positive terminal and negative terminals of (3).
  3. 3. direct-current charging post detecting system according to claim 1, it is characterised in that:Detecting system interface (1.1) it is straight Switch K7 one end, the direct current output negative pole of detecting system interface (1.1) are connected between stream output cathode end DC+ and switch k5 The switch K7 other end is connected between end DC- and switch k6.
  4. 4. direct-current charging post detecting system according to claim 1, it is characterised in that:Digital circuit processing module (1.3) Control signal output connect analog charge procedural test load (3), charging pile load capacity test load (4) and mould respectively Intend the control signal input of power supply (5).
  5. 5. direct-current charging post detecting system according to claim 1, it is characterised in that:It also includes signal gating device (7) With oscillograph (9), under the gating control of signal gating device (7), the recording interface that oscillograph (9) is chosen to oscillograph (6) enters Row ripple is analyzed.
  6. 6. direct-current charging post detecting system according to claim 1, it is characterised in that:It also includes host computer (2), described The USB communication interface of host computer (2) turns the CAN positive pole of USB module (10) access testing system interface (1.1) by CAN COM1 S+ and CAN negative pole COM1 S-, the Ethernet interface access digital circuit processing module of host computer (2) (1.3) host computer communication interface.
  7. 7. direct-current charging post detecting system according to claim 1, it is characterised in that:It also includes switch K1, switch K1 ', switch G1~switch G4, resistance R1~resistance R7, wherein, switch the of K1 one end connecting detection system interface (1.1) One connection confirmation signal communication ends CC1, the other end for switching K1 pass through the earth terminal of resistance R1 connecting detections system interface (1.1) E-GND, the first connection confirmation signal communication ends CC1 of K1 ' one end connecting detection system interface (1.1) is switched, switch K1's ' By the earth terminal E-GND of resistance R2 connecting detections system interface (1.1), one end connecting detection system for switching G1 connects the other end The earth terminal E-GND of mouth (1.1), the other end for switching G1 pass through the direct current output of resistance R3 connecting detections system interface (1.1) Positive terminal DC+, switchs the earth terminal E-GND of G2 one end connecting detection system interface (1.1), and the other end for switching G2 passes through electricity The direct current output positive terminal DC+ of R4 connecting detections system interface (1.1) is hindered, switchs G3 one end connecting detection system interface (1.1) earth terminal E-GND, the other end for switching G3 are born by the direct current output of resistance R5 connecting detections system interface (1.1) Poles D C-, switchs the earth terminal E-GND of G4 one end connecting detection system interface (1.1), and the other end for switching G4 passes through resistance The direct current output negative pole end DC- of R6 connecting detections system interface (1.1), the second connection of analog-digital converter (1.2) confirm detection Analog signal interface passes through resistance R7 connection 12V voltage sources.
  8. 8. direct-current charging post detecting system according to claim 1, it is characterised in that:It also includes power analyzer (11), the direct current output positive terminal DC+ and direct current output negative pole end DC- of detecting system interface (1.1) and power analyzer (11) Connection, power analyzer (11) is to being tested output current voltage of the direct-current charging post interface (8) by detecting system interface (1.1) Characteristic carries out sampling analysis, and before tested direct-current charging post interface (8) is put into operation, detecting system interface (1.1) is used for being tested directly Inlet wire A, B, C, N connection of current charge staking mouth (8), sampling analysis is carried out to input current voltage.
  9. 9. a kind of charging pile detection method using direct-current charging post detecting system described in claim 1, it is characterised in that it is wrapped Include following steps:
    Step 1:Exact p-value is connected, connection exact p-value checks whether direct-current charging post can be by the connection confirmation letter of measurement first Signal communication end CC1 magnitude of voltage judges the connection status of vehicle plug and vehicle socket, and charged state corresponding to entrance;
    If the voltage for detecting the first connection confirmation signal communication ends CC1 is the first predeterminated voltage, judge detecting system with filling Electric staking mouth is fully connected, and the accessory power supply of direct-current charging post interface is to detecting system interface (1.1) output voltage, DC simulation Device (1) is started working, then this time test result is normal;
    Step 2:Autonomous test is tested, digital circuit processing module of the direct-current charging post by CAN to DC simulation device (1) (1.3) handshake message is sent, host computer (2) is monitored parsing to handshake message, is simultaneously emitted by handshake message, simulates electronic vapour Car BMS sets charging ceiling voltage, and then direct-current charging post carries out Insulation monitoring and insulation is released;
    Step 3:Charge the preparatory stage, host computer (2) is controlled by the digital circuit processing module (1.3) of DC simulation device (1) Analog power (5) simulation electric automobile charges normal the output of battery both end voltage, is closed at switching GK1 and GK2, direct current mould The digital circuit processing module (1.3) for intending device (1) reports and submits battery to prepare by CAN to direct-current charging post transmission message Good, host computer (2) monitors that direct-current charging post sends message and reports and submits direct-current charging post to get out information, and this test result is just Often;
    Step 4:Charging stage tests, and host computer (2) is by the CAN of digital circuit processing module (1.3) to DC charging Stake sends battery charge requirement message and reports and submits voltage requirements, current needs, and host computer is by controlling DC simulation device (1) to defeated Go out voltage to measure, and send the total state message of battery charging to direct-current charging post and report and submit charging voltage value information and electric current Measure value information;If host computer (2) monitors that direct-current charging post sends direct-current charging post charged state report to DC simulation device (1) Text reports and submits voltage output value, current output value, accumulative charging interval, and charge permission state, then this time test result is normal;
    Step 5:The ending phase that charges test, the digital circuit processing module (1.3) that host computer (2) passes through DC simulation device (1) The magnitude of voltage of analog power (5) is set, simulates charging electric vehicle completion status, and send BMS to direct-current charging post and stop to fill Telegram text reports and submits termination to charge, and direct-current charging post stops charging and sending direct-current charging post termination charging message, then this time tests As a result it is normal.
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CN108919002A (en) * 2018-07-05 2018-11-30 深圳市车电网络有限公司 A kind of test macro of direct-current charging post
CN108965044A (en) * 2018-06-12 2018-12-07 南瑞集团有限公司 A kind of electric car electrically-charging equipment universal data link health status test device, system and method
CN108982986A (en) * 2018-04-11 2018-12-11 杭州电子科技大学 A kind of electric vehicle alternating-current charging pile detection system and its detection method
CN108982995A (en) * 2018-06-15 2018-12-11 国网电动汽车服务有限公司 A kind of portable charged stake networking detection device and enter network detecting method
CN109116132A (en) * 2018-06-15 2019-01-01 国网电动汽车服务有限公司 A kind of charging equipment remote detecting system and its detection method
CN109342971A (en) * 2018-10-25 2019-02-15 国充充电科技江苏股份有限公司 Charging pile part quality detection system and AC DC charging pile component detection system
CN109459642A (en) * 2018-12-13 2019-03-12 广州供电局有限公司 Direct-current charging post tests circuit and its test device
CN109471039A (en) * 2018-09-27 2019-03-15 北京长城华冠汽车科技股份有限公司 A kind of analog charge test device of the battery pack of electric car
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CN109581128A (en) * 2018-12-28 2019-04-05 蜂巢能源科技有限公司 Battery pack charge function test macro and method
CN109581097A (en) * 2018-10-26 2019-04-05 合肥科威尔电源系统有限公司 A kind of charging pile test macro
CN109683035A (en) * 2018-11-22 2019-04-26 国网浙江省电力有限公司衢州供电公司 A kind of interface arrangement for the test of electric car direct-current charging post
CN109884431A (en) * 2019-03-08 2019-06-14 北京博电新力电气股份有限公司 A kind of electric car DC charging facility detection device of building block system
CN110015085A (en) * 2018-09-29 2019-07-16 威马智慧出行科技(上海)有限公司 The analytic method and system of electric car DC charging
CN110071550A (en) * 2019-05-28 2019-07-30 成都麦隆电气有限公司 A kind of electricity getting device of direct-current charging post
CN110191012A (en) * 2019-04-16 2019-08-30 华北电力科学研究院有限责任公司 Charging pile communication compatibility detection device and method
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CN111856304A (en) * 2020-07-01 2020-10-30 深圳市赛特新能科技有限公司 Charging pile interoperability test system and method
CN111856302A (en) * 2020-07-03 2020-10-30 深圳市赛特新能科技有限公司 Electric automobile charging interoperability testing system and method
CN111959332A (en) * 2020-07-10 2020-11-20 宁波吉利汽车研究开发有限公司 Charging conversion method, device and system, storage medium and computer equipment
CN112014673A (en) * 2020-08-31 2020-12-01 广东电网有限责任公司广州供电局 Direct current charging pile detection device and method
CN112644320A (en) * 2021-01-04 2021-04-13 国网山东省电力公司泰安供电公司 Direct current fills electric pile on-line measuring equipment
CN113009245A (en) * 2019-12-20 2021-06-22 天津平高智能电气有限公司 Fill portable detecting system of electric pile
CN113212225A (en) * 2020-01-21 2021-08-06 北京新能源汽车股份有限公司 Vehicle charging method and device and charger
CN113281589A (en) * 2021-04-21 2021-08-20 成都艾默泰克科技有限公司 New energy automobile direct current charging test system and test method
CN113702732A (en) * 2021-08-17 2021-11-26 贵州电网有限责任公司 Portable direct current charging pile fault testing system and detection method thereof
CN113759183A (en) * 2020-06-02 2021-12-07 车主邦(北京)科技有限公司 Self-checking method, device and computer storage medium
CN114047401A (en) * 2021-11-29 2022-02-15 国网北京市电力公司 Automatic detection device of direct current charging pile tester
CN114137333A (en) * 2021-11-11 2022-03-04 长春一汽富晟集团有限公司 Electric automobile direct-current charging mode testing device and comparison method
CN114812640A (en) * 2022-03-14 2022-07-29 北京市农林科学院智能装备技术研究中心 Sensing signal copying method and device
CN115267376A (en) * 2022-06-30 2022-11-01 国网北京市电力公司 System and method for testing direct current charging pile
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CN108982986A (en) * 2018-04-11 2018-12-11 杭州电子科技大学 A kind of electric vehicle alternating-current charging pile detection system and its detection method
CN108982986B (en) * 2018-04-11 2020-06-23 杭州电子科技大学 Electric automobile alternating-current charging pile detection system and detection method thereof
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CN108965044A (en) * 2018-06-12 2018-12-07 南瑞集团有限公司 A kind of electric car electrically-charging equipment universal data link health status test device, system and method
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